<?php

/**
 * This is the model class for table "user".
 *
 * The followings are the available columns in table 'user':
 * @property integer $id
 * @property string $username
 * @property string $password
 * @property string $salt
 * @property string $email
 * @property string $profile
 *
 * The followings are the available model relations:
 * @property Post[] $posts
 */
class User extends CActiveRecord
{
         private $strong_pattern = '/^(?=.*\d(?=.*\d))(?=.*[a-zA-Z](?=.*[a-zA-Z])).{5,}$/';
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return User the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'user';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('username, password, email', 'required'),
			array('username, password,email', 'length', 'max'=>128),
			array('profile', 'safe'),
                        array('username','checkUsername'),
                        array('email','email'),
                        array('email','checkemail'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, username, password, email, profile', 'safe', 'on'=>'search'),
		);
	}
        
        public function checkUsername()
        {
            if($this->find('LOWER(username)=?',array($this->username)))
            {
                $this->addError('username','用户名已被注册,请更换！');
            }
        }
        

        public function checkemail()
        {
            if($this->find('LOWER(email)=?',array($this->email)))
            {
                $this->addError ('email','邮件地址已被注册！请更换地址！');
            }
        }
	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'posts' => array(self::HAS_MANY, 'Post', 'author_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'username' => 'Username',
			'password' => 'Password',
			'email' => 'Email',
			'profile' => 'Profile',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('username',$this->username,true);
		$criteria->compare('password',$this->password,true);
		$criteria->compare('email',$this->email,true);
		$criteria->compare('profile',$this->profile,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}


        public function beforceSave($password,$email)
        {
            $password = hash('sha256', $password);
            return parent::beforceSave();
        }
        
        
        public function validatePassword($password)
        {
            return $this->hashPassword($password)===$this->password;
        }

        public function hashPassword($password)
        {
            return hash('sha256',$password);
        }
}